Adriaan vd S 5,0 15 Apr 2026 Google

I had solar panels installed by Jongsma Energietechniek in March 2021, and I'm very happy with them! The cables were neatly concealed so they were as unnoticeable as possible, and the rails the solar panels rest on were spray-painted black. This makes everything look a bit neater. The installation went smoothly, and they were also very helpful in preparing the quote. In short: highly recommended!

hans hofstede 5,0 15 Apr 2026 Google

We received excellent service from Jongsma Energietechniek. Our solar panels were installed very skillfully, and we received a simple explanation regarding their use. Everything was installed very neatly, and the gentleman worked very professionally. Communication was clear and fast. In addition to the solar panels, the meter cupboard was also upgraded so that everything works properly and safely again. All in all, we are extremely happy with this!

Ron Overbeek 5,0 15 Apr 2026 Google

Wiard Jongsma, along with his business partner Albert Veenhuizen, initially provided us with excellent advice on solar panel installation: how many and which solar panels, where exactly on the roof, which connection system (parallel or series?), how to connect them to the meter box, and the correct route through the house. Shortly thereafter, we received a well-developed and substantiated recommendation with a quote. We immediately accepted the proposal! Ultimately, Wiard and Albert professionally and precisely installed all the solar panels in just one day, precisely as agreed. This included the inverter, wiring virtually invisibly throughout the house, and replacing an old fuse box with a modern one. The next day, we received the invoice (100% in accordance with the quote), with clear instructions on registering the solar panels with the national system, claiming VAT refunds, and an invitation from the app, which now allows us to view the production of each solar panel 24/7 via our smartphone. Immediately after installation, we saw the amount of electricity the system had generated, which felt great. In short: if you want to do something with solar panels and you live in the Northern Netherlands, you know where to go!

Ben Stavenuiter 5,0 15 Apr 2026 Google

Together with our neighbors, we planned to have solar panels installed in our semi-detached house. The clear quote, on-site information, and consultation regarding optimal and balanced (appealing as well) installation of the panels were handled in a friendly and professional manner. The complete package has now been installed. The inverter is in a well-organized location, and the meter box is now up to standard. These are professionals who serve their customers efficiently and in line with market standards – top-notch.